engine 3,5L and 3,7L
#11
Most people that are going this route install an Air Doc. Same principle. Doc Olds is a member on several forums. His units the last I checked ran about $155 US. I have no idea if the GM part was used as a template or if he engineered a totally new design.
The difference between the two as I understand it, is the GM kit includes an air filter and a Chromed air box cover. Doc Olds could certainly speak for his product better than I. Although chrome is not a favorite for many Hummer owners - for me - it was an important engine compartment item, thus my decision to go with the GM part. I think many Hummer owners are very happy with their Air Doc intakes.
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